Comm Port Messages

A Comm Port Address notification type sends an alphanumeric message to a communications port.

Notifications can be dumped to a communications port.

Note: Text tokens can be used in this type of notification to specify a dynamic message using data from the data Point Service, the Current Value Service, or the Facility Service. See Using Tokens in Notifications for more information.

GNS Configuration File Keywords

The following keywords must be configured to enable Comm port notification messages. See the Comm Port Msg Keywords for more information.

Keyword Description

COMM_PORT_MSG_PORT

Specifies port(s) to be used for Comm port notifications. Use spaces to separate multiple ports (COM1 COM2 COM3 COM4).

Note: There is no checking for conflicts with modem ports.

COMM_PORT_MSG_SPEED

The port speed. This applies to all Comm ports specified by COM_PORT_MSG_PORT.

COMM_PORT_MSG_PARITY

The parity bit in each character. This applies to all Comm ports specified by COM_PORT_MSG_PORT.

COMM_PORT_MSG_DATABITS

The number of data bits in each character. This applies to all Comm ports specified by COM_PORT_MSG_PORT.

COMM_PORT_MSG_STOPBITS

The stop bits to send at the end of every character. This applies to all Comm ports specified by COM_PORT_MSG_PORT.